commentary Purging mass media of hurtful opinions would deny everyone important knowledge. Simply put, says author Greg Lukianoff, it's far better to know that there are bigots among us than to pretend all is well.

Skype for Android expands two-way video calling to more phones, Apple's Find My Mac makes its debut on the developer testing version of iCloud.com, and Sony delays the launch of the PlayStation Vita handheld console in the U.S. and Europe.